diff --git a/nixos/release-combined.nix b/nixos/release-combined.nix
index ddedcd9fe97..191d5044341 100644
--- a/nixos/release-combined.nix
+++ b/nixos/release-combined.nix
@@ -52,6 +52,7 @@ in rec {
         (all nixos.tests.firefox)
         (all nixos.tests.firewall)
         (all nixos.tests.gnome3)
+        (all nixos.tests.installer.grub1)
         (all nixos.tests.installer.lvm)
         (all nixos.tests.installer.luksroot)
         (all nixos.tests.installer.separateBoot)